microSHIFT M21 Rear Derailleur - 6/7 Speed Short Cage Dropout Claw Hanger BLK CheckoutSpec= rear }Maxxis Ardent Tire - 29

}Maxxis Ardent Tire - 29 x 2

painted steel barrel and piston

Compound Organic Heat Sink No Backing Plate Material Steel Pad Shape Number 37

Using Shimanos Ice Technology the rotor significantly reduces heat build-up in the brake system to ensure consistent high performance braking even on the steepest downhill stretches

microSHIFT M21 Rear Derailleur - 6/7 Speed Short Cage Dropout Claw Hanger BLK CheckoutSpec= rear }Maxxis Ardent Tire - 29microSHIFT M21 Rear Derailleur 6 7 Speed Short Cage Dropout Claw Hanger Black. M21 rear derailleurs are designed to work with 6 and 7 speed Shimano road and mountain shifters. Enjoy the wide variety of bikes you can get going again with M21 rear derailleurs. Robust composite and steel construction Compatible with Shimano 6 and 7 speed mountain and road systems TECH SPECS Largest Cog 30Rear Der Shifter Compatibility Shimano MountainRear Derailleur